... Pump Specification:Closure Diameters:24/410,228/410,28/415,33/410,30/410Screw locking System,Dosage:3.6-4.4gApplication ... guaranteeMany colors available for choices Closure Available:“33/410A(thin rib collar international standard)“33/410B(thin rib collar inland standard)“ ... 30/410D(thin rib collar)“33/410D(double ribbed collar)“33/410E(double ribbed collar) Dispenser Pump R501 ...